Lessons learned: Submarine snagging into fishing gears

It was a clear, calm day and a prawn trawler was towing its nets in coastal fishing grounds; the depth of water was about 100m and there were over 60 fishing boats, mainly trawlers, operating in the area. At the same time, a nuclear-powered submarine was conducting a submerged passage through the area. The submarine was deep below the surface where periscopes and radar could not be used; this meant that it was reliant on its sonar systems to detect noises from other vessels in order to avoid them.,, As the submarine approached the fishing grounds, >click to read<15:08

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